Marvel Studios has unveiled the official poster for Joss Whedon’s ‘Avengers: Age of Ultron.’ It features the Earth’s Mightiest Heroes, together with the Scarlet Witch and Quicksilver, with the Vision obscured by sunlight overhead as Ultron’s lethal robots swarm down from the sky. Eagle eyed fans have noticed that as well as the main cast members, the posters credits also feature the names of other actors: including Anthony Mackie (The Falcon), Hayley Atwell (Peggy Carter), Cobie Smulders (Maria Hill), Idris Elba (Heimdall), and Stellan Skarsgard (Erik Selvig). The credits also reveals that the composer Danny Elfman has contributed “additional music” to Brian Tyler’s score.